27194989 has 8 divisors (see below), whose sum is σ = 27827712. Its totient is φ = 26566800.

The previous prime is 27194977. The next prime is 27195031. The reversal of 27194989 is 98949172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27194989 - 2⁷ = 27194861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27194789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12964 + ... + 14914.

It is an arithmetic number, because the mean of its divisors is an integer number (3478464).

Almost surely, 2^27194989 is an apocalyptic number.

It is an amenable number.

27194989 is a deficient number, since it is larger than the sum of its proper divisors (632723).

27194989 is a wasteful number, since it uses less digits than its factorization.

27194989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267.

The product of its digits is 326592, while the sum is 49.

The square root of 27194989 is about 5214.8814943391. The cubic root of 27194989 is about 300.7204499361.

The spelling of 27194989 in words is "twenty-seven million, one hundred ninety-four thousand, nine hundred eighty-nine".